Mixpanel vs Postmark
Enterprise product analytics — behavioral cohorts + funnels + A/B
vs. Reliable transactional email with fast delivery
Pricing tiers
Mixpanel
Free
1M events/month cap. Unlimited seats, 5 saved reports, 10K session replays/month. No credit card.
Free
Growth
Usage-based. First 1M events free, then $0.28 per 1K events (volume discounts). 20K session replays/mo.
$0 base (usage-based)
Startup Program
First year free for <5-year companies with <$8M funding.
$0 base (usage-based)
Enterprise
Custom. Unlimited events. Experiments + feature flags. HIPAA, SOC 2 Type II. 24/7 support.
Custom
Postmark
Free
100 emails/month forever. No credit card. Side projects and testing.
Free
Basic — 10k
10,000 emails/month. Overage $1.80/1k. Unlimited emails/day.
$15/mo
Pro — 10k
10,000 emails/month. Overage $1.30/1k. Inbound email + message streams.
$17/mo
Platform — 10k
10,000 emails/month. Overage $1.20/1k. Team collab, more domains.
$18/mo
Enterprise (>1.5M)
Custom for senders exceeding 1.5M/month.
Custom
Free-tier quotas head-to-head
Comparing free on Mixpanel vs free on Postmark.
| Metric | Mixpanel | Postmark |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Mixpanel · 13 features
- Alerts — Anomaly + threshold alerts on metrics.
- Campaign Reporting — UTM + multi-touch attribution reporting.
- Cohorts — Dynamic user segments from event behavior + properties.
- Dashboards — Multi-report dashboards with slices.
- Data Governance — Property schemas, approvals, lineage. Enterprise only.
- Data Warehouse Connectors — Sync from/to Snowflake, BigQuery, Databricks, Redshift.
- Experiments (A/B) — Feature-flag-backed experiments. Enterprise only.
- Feature Flags — Targeting + rollouts. Enterprise tier.
- Flows — User path visualization (where do users go).
- Funnels — Conversion step-by-step analysis with drop-off + time-to-convert.
- Insights (Reports) — Ad-hoc exploration with filters, breakdowns, math operators.
- Retention — N-day retention curves segmented by cohort.
- Session Replay — Record + watch user sessions tied to events.
Postmark · 12 features
- Activity Search — Full-text search over sent messages for 45-365 days.
- Bounce Handling — Automatic hard/soft bounce detection + suppression management.
- Broadcast Messages — Via separate Broadcast Message Stream. Bulk sends with throttling.
- DKIM + SPF — One-click verification + auto-renewal of DKIM keys.
- Inbound Email — Route inbound emails to your webhook. Parse attachments, threads.
- Message Streams — Isolate transactional from marketing for separate deliverability reputation.
- Open + Click Tracking — Configurable at template or send level.
- Raw API Access — 100+ endpoints for bounces, servers, tags, templates, stats.
- Servers — Multi-tenant isolation: each "server" has its own API token + reputation.
- Templates — Mustachio template language with variables, alias + versioning.
- Transactional Send — Reliable API for password resets, receipts, notifications. Sub-10s delivery.
- Webhook Events — Delivery, bounce, spam complaint, open, click, subscription change.
Developer interfaces
| Kind | Mixpanel | Postmark |
|---|---|---|
| SDK | mixpanel-android, mixpanel-js (browser), mixpanel-node, mixpanel-python, mixpanel-react-native, Mixpanel-swift (iOS) | postmark-dotnet, postmarker (Python), postmark-go, postmark (Node), postmark-php, postmark-rails |
| REST | Mixpanel Ingestion API, Query API | Postmark REST API |
| OTHER | — | Inbound Email, SMTP Relay, Webhooks |
Staxly is an independent catalog of developer platforms. Outbound links to Mixpanel and Postmark are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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